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发明名称
Powder dispensing device
摘要
申请公布号
US2480606(A)
申请公布日期
1949.08.30
申请号
US19450575282
申请日期
1945.01.30
申请人
JOHN RABBITT
发明人
RABBITT JOHN
分类号
A47G19/24
主分类号
A47G19/24
代理机构
代理人
主权项
地址
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